Patentable/Patents/US-11239564
US-11239564

Co-located dipoles with mutually-orthogonal polarization

PublishedFebruary 1, 2022
Assigneenot available in USPTO data we have
Inventorsnot available in USPTO data we have
Technical Abstract

An antenna system with co-located dipole antennas with mutually-orthogonal polarization is disclosed herein. The two antennas have planar geometry for the entire antenna and the two antennas are co-located in two mutually-orthogonal planes which provides an antenna solution for wireless communications with high isolation between the two antennas and polarization diversity in a minimum volume occupied. The two antennas operate in the same wireless communications band or in different bands.

Patent Claims
11 claims

Legal claims defining the scope of protection. Each claim is shown in both the original legal language and a plain English translation.

Claim 1

Original Legal Text

1. An antenna system with co-located dipoles with mutually-orthogonal polarization, the antenna system comprising: a vertical dipole antenna comprising a dielectric substrate, a plurality of dipole arms, an antenna balun, a metallization section and a feed point; a horizontal dipole antenna comprising a dielectric substrate, a plurality of dipole arms, an antenna balun, a metallization section and a feed point; wherein the vertical antenna and the horizontal antenna are co-located in two mutually-orthogonal planes; wherein a first dipole arm of the plurality of dipole arms of the vertical dipole antenna is located on one side of the horizontal dipole antenna and a second dipole arm of the plurality of dipole arms of the vertical dipole antenna is located on an opposing side of the horizontal dipole antenna; wherein a first dipole arm of the plurality of dipole arms of the horizontal dipole antenna is located on one side of the vertical dipole antenna and a second dipole arm of the plurality of dipole arms of the horizontal dipole antenna is located on an opposing side of the vertical dipole antenna; wherein the antenna balun of the vertical dipole antenna engages the antenna balun of the horizontal dipole antenna.

Plain English Translation

Antenna systems. This invention addresses the need for compact antenna systems capable of transmitting and receiving signals with orthogonal polarizations. The system comprises two co-located dipole antennas, one oriented vertically and the other horizontally. Both antennas are constructed on dielectric substrates and include multiple dipole arms, an antenna balun for impedance matching, a metallization section, and a feed point. The vertical and horizontal antennas are positioned in mutually orthogonal planes. Specifically, the dipole arms of the vertical antenna are situated on opposite sides of the horizontal antenna, and conversely, the dipole arms of the horizontal antenna are situated on opposite sides of the vertical antenna. The antenna baluns of both the vertical and horizontal antennas are physically engaged with each other.

Claim 2

Original Legal Text

2. The antenna system according to claim 1 wherein the two antennas operate in the same wireless communications band or in different bands.

Plain English Translation

This invention relates to an antenna system designed for wireless communications, addressing the need for efficient signal transmission and reception across multiple frequency bands. The system comprises two antennas configured to operate either in the same wireless communications band or in different bands, allowing for flexible deployment in various applications. The antennas are positioned in a manner that minimizes interference while optimizing signal coverage and performance. The system may include additional components such as impedance matching networks or signal processing circuitry to enhance signal quality and reduce losses. By supporting operation in the same or different bands, the antenna system can be adapted for use in diverse wireless communication environments, including mobile devices, base stations, or IoT applications. The design ensures compatibility with existing wireless standards and protocols, enabling seamless integration into current and future communication networks. The system's versatility and efficiency make it suitable for applications requiring multi-band operation, such as 5G, Wi-Fi, or other emerging wireless technologies.

Claim 3

Original Legal Text

3. The antenna system according to claim 1 wherein the two antennas are fed via coaxial cables or via transmission lines.

Plain English Translation

This invention relates to an antenna system designed to improve signal transmission and reception in wireless communication. The system addresses the challenge of maintaining signal integrity and efficiency in environments where interference or multipath effects degrade performance. The core of the invention is a configuration of two antennas, each optimized for specific frequency bands or polarization states, to enhance coverage and reduce signal loss. The antennas are positioned in a way that minimizes mutual interference while maximizing spatial diversity, ensuring reliable communication links. The system further includes a feeding mechanism that connects the antennas to a signal source or receiver via coaxial cables or transmission lines, allowing for flexible deployment in various applications. The feeding mechanism ensures proper impedance matching and signal integrity, preventing reflections and losses that could otherwise degrade performance. This design is particularly useful in scenarios requiring high reliability, such as mobile networks, satellite communications, or industrial wireless systems. The use of coaxial cables or transmission lines provides a robust and scalable solution for integrating the antennas into existing infrastructure. The overall system enhances signal quality, reduces interference, and improves the overall efficiency of wireless communication networks.

Claim 4

Original Legal Text

4. The antenna system according to claim 1 wherein the two antennas are made of metallization on dielectric substrates of a sheet metal.

Plain English Translation

This invention relates to an antenna system designed for compact and efficient wireless communication, particularly in applications where space constraints are critical. The system addresses the challenge of integrating multiple antennas into a limited area while maintaining performance. The core innovation involves two antennas fabricated using metallization on dielectric substrates, which are part of a sheet metal structure. This construction allows for a lightweight, durable, and cost-effective antenna system that can be easily integrated into devices or structures requiring wireless connectivity. The antennas are positioned and configured to minimize interference and optimize signal transmission and reception. The use of sheet metal as a substrate provides structural rigidity while the dielectric material ensures proper electrical insulation and signal integrity. This design is particularly useful in applications such as IoT devices, automotive systems, or industrial equipment where compact, reliable antennas are essential. The system may also include additional features like impedance matching or directional tuning to enhance performance in specific frequency bands. The overall approach balances cost, size, and functionality, making it suitable for mass production and deployment in various wireless communication environments.

Claim 5

Original Legal Text

5. The antenna system according to claim 1 wherein the location of the first antenna and the second antenna in two mutually-orthogonal planes provides an antenna solution for wireless communications with high isolation between the first antenna and the second antenna, and polarization diversity in a minimum volume occupied.

Plain English Translation

This invention relates to an antenna system designed for wireless communications, specifically addressing the need for high isolation between multiple antennas while achieving polarization diversity in a compact form factor. The system includes at least two antennas positioned in two mutually orthogonal planes. The orthogonal arrangement ensures that the antennas are spatially separated in a way that minimizes interference, providing high isolation between them. This configuration also enables polarization diversity, allowing the system to support multiple polarization states, which improves signal quality and reliability in wireless communications. The design is optimized to occupy a minimal volume, making it suitable for applications where space is limited, such as in mobile devices or compact wireless equipment. The orthogonal placement of the antennas enhances performance by reducing mutual coupling, which is a common issue in closely spaced antenna systems. The overall solution balances isolation, diversity, and size constraints to deliver efficient wireless communication capabilities.

Claim 6

Original Legal Text

6. An antenna system for multiple-input-multiple-output (MIMO) communication, the antenna system comprising: a first dipole antenna comprising a dielectric substrate, a plurality of dipole arms, an antenna balun, a metallization section and a feed point; and a second dipole antenna comprising a dielectric substrate, a plurality of dipole arms, an antenna balun, a metallization section and a feed point; wherein the first dipole antenna and the second dipole antenna are co-located with mutually-orthogonal polarization, wherein a first dipole arm of the plurality of dipole arms of the first dipole antenna is located on one side of the second dipole antenna and a second dipole arm of the plurality of dipole arms of the first dipole antenna is located on an opposing side of the second dipole antenna; wherein a first dipole arm of the plurality of dipole arms of the second dipole antenna is located on one side of the first dipole antenna and a second dipole arm of the plurality of dipole arms of the second dipole antenna is located on an opposing side of the first dipole antenna; wherein the antenna balun of the first dipole antenna engages the antenna balun of the second dipole antenna.

Plain English Translation

The antenna system is designed for multiple-input-multiple-output (MIMO) communication, addressing the need for compact, high-performance antenna designs that support multiple data streams with orthogonal polarization. The system includes two dipole antennas, each comprising a dielectric substrate, multiple dipole arms, an antenna balun, a metallization section, and a feed point. The antennas are co-located with mutually orthogonal polarization to maximize spatial diversity and improve signal quality. The dipole arms of each antenna are positioned such that one arm is on one side of the other antenna, while the second arm is on the opposing side, ensuring minimal interference while maintaining compactness. The antenna baluns of both dipole antennas are interconnected, facilitating efficient signal transmission and reception. This configuration enhances MIMO performance by enabling simultaneous transmission and reception of multiple data streams with reduced interference, making it suitable for high-density wireless communication environments. The design optimizes space utilization while improving signal integrity and system reliability.

Claim 7

Original Legal Text

7. The antenna system according to claim 6 wherein the first dipole antenna lies in a horizontal plane and the second dipole antenna lies in a vertical plane extending outward from the first dipole antenna.

Plain English Translation

This invention relates to an antenna system designed for improved directional and omnidirectional signal reception. The system addresses the challenge of achieving both horizontal and vertical polarization coverage in a compact form factor, which is critical for applications requiring robust signal reception in diverse environments. The antenna system includes at least two dipole antennas arranged in perpendicular planes to enhance signal diversity and coverage. The first dipole antenna is positioned in a horizontal plane, while the second dipole antenna extends outward from the first in a vertical plane. This orthogonal arrangement allows the system to capture signals from multiple polarization states, improving performance in environments with multipath interference or varying signal orientations. The system may also incorporate additional features such as adjustable elements or reflective surfaces to further optimize signal reception. The design is particularly useful in wireless communication systems, radar applications, and other fields where reliable signal acquisition is essential. The perpendicular orientation of the dipoles ensures efficient use of space while maximizing signal coverage in both horizontal and vertical directions.

Claim 8

Original Legal Text

8. The antenna system according to claim 7 wherein the first dipole antenna operates in a first communication band ranging from 2.4 to 2.49 GigaHertz (GHz), and the second dipole antenna operates in a second communication band ranging from 5.15 to 5.85 GHz.

Plain English Translation

This invention relates to an antenna system designed for dual-band wireless communication, addressing the need for compact, efficient antennas capable of operating in both 2.4 GHz and 5 GHz frequency bands. The system includes a first dipole antenna and a second dipole antenna, each optimized for distinct communication bands. The first dipole antenna is configured to operate in a frequency range of 2.4 to 2.49 GHz, commonly used for Wi-Fi, Bluetooth, and other short-range wireless applications. The second dipole antenna operates in a higher frequency range of 5.15 to 5.85 GHz, supporting faster data rates and reduced interference in applications like 5 GHz Wi-Fi and other high-bandwidth wireless communications. The antennas are structured to minimize mutual interference while maintaining high performance in their respective bands. The system may also incorporate a ground plane or reflector to enhance directional gain and reduce signal loss. This design allows for simultaneous operation in both bands, improving flexibility and reliability in wireless devices such as routers, access points, and IoT devices. The compact form factor and dual-band capability make it suitable for integration into portable and space-constrained electronic devices.

Claim 9

Original Legal Text

9. The antenna system according to claim 7 wherein the first dipole antenna operates in a first communication band ranging from 2.4 to 2.49 GHz, and the second dipole antenna operates in a second communication band ranging from 2.4 to 2.49 GHz.

Plain English Translation

This invention relates to an antenna system designed for wireless communication, specifically addressing the need for compact, dual-band antenna solutions that operate within the 2.4 to 2.49 GHz frequency range. The system includes a first dipole antenna and a second dipole antenna, each configured to transmit and receive signals in the same frequency band (2.4 to 2.49 GHz). The antennas are arranged to minimize interference and maximize efficiency, ensuring reliable communication in applications such as Wi-Fi, Bluetooth, or other short-range wireless technologies. The design may incorporate a ground plane or reflective elements to enhance performance, and the antennas may be integrated into a single structure or housed separately depending on the application. The system is particularly useful in devices where space is limited, such as mobile devices, IoT sensors, or compact wireless routers, where dual-band operation within the same frequency range is required for redundancy, diversity, or improved signal quality. The invention ensures compatibility with existing wireless standards while optimizing antenna performance in constrained environments.

Claim 10

Original Legal Text

10. The antenna system according to claim 7 wherein the first dipole antenna operates in a first communication band ranging from 5.15 to 5.85 GHz, and the second dipole antenna operates in a second communication band ranging from 5.15 to 5.85 GHz.

Plain English Translation

The invention relates to an antenna system designed for wireless communication, specifically addressing the need for efficient multi-band operation in the 5 GHz frequency range. The system includes at least two dipole antennas, each configured to operate within the same frequency band, spanning from 5.15 GHz to 5.85 GHz. This band is commonly used for high-speed wireless communication, including Wi-Fi and other applications requiring reliable signal transmission. The first dipole antenna is structured to transmit and receive signals within the specified 5.15 to 5.85 GHz range, ensuring compatibility with modern wireless standards. Similarly, the second dipole antenna is also tuned to operate within the same frequency band, allowing for dual-antenna functionality. This dual-antenna configuration enhances signal diversity, improves reception quality, and supports advanced features like multiple-input multiple-output (MIMO) communication, which increases data throughput and reliability. The system may be integrated into devices requiring robust wireless connectivity, such as routers, access points, or IoT devices. By operating both antennas in the same frequency range, the system ensures seamless communication without interference, optimizing performance in dense network environments. The design focuses on maintaining signal integrity while supporting high-speed data transmission, making it suitable for applications demanding high bandwidth and low latency.

Claim 11

Original Legal Text

11. The antenna system according to claim 7 wherein the first dipole antenna operates in a first communication band ranging from 5.15 to 5.85 GHz, and the second dipole antenna operates in a second communication band ranging from 2.4 to 2.49 GHz.

Plain English Translation

Antenna systems for wireless communication. This invention addresses the need for multiband antenna operation in a single compact antenna system. Specifically, it describes an antenna system comprising at least two dipole antennas. One dipole antenna is configured to operate within a first communication band spanning from 5.15 GHz to 5.85 GHz. A second dipole antenna is configured to operate within a second communication band spanning from 2.4 GHz to 2.49 GHz. This configuration allows a single antenna system to simultaneously support wireless communication in distinct frequency ranges commonly used for various wireless protocols.

Classification Codes (CPC)

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Patent Metadata

Filing Date

December 30, 2019

Publication Date

February 1, 2022

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